20255+5441 HJ 1516 AC
20h 25m 32.81s +54° 41' 03.1" P.A. 204.00 sep 50.3 mag 7.25,11.80 Sp B2Ve dist. 934.58 pc (3048.6 l.y.)
| Coord 2000 |
20255+5441 |
|
Discov num |
HJ 1516 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 25 32.81 +54 41 03.1 |
|
| Date first |
1912 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
204 |
|
Pa last |
203.6 |
|
P.A. Now (θ) |
203.6° |
|
| Sep first |
49.5 |
|
Sep last |
50.313 |
|
Sep. Now (ρ) |
50.313" |
|
| Mag pri |
7.25 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
4.55 |
|
Spectral class |
B2Ve (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-016 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.737
Nature of this double is uncertain.
20255+5441 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 194883 |
32566 |
20 25 33 +54 41 03 |
HJ 1516 AB |
2015 |
15 |
147 |
47.3 |
7.25 |
11.20 |
3.95 |
|
|
| Show |
|
32566 |
20 25 33 +54 41 03 |
HJ 1516 AC |
2015 |
9 |
204 |
50.3 |
7.25 |
11.80 |
4.55 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
32566 |
|
HIP |
100744 |
|
Tycho2 |
3941-00371-1 |
|
| Gaia DR2 |
2185075095866220928 |
|
HD |
194883 |
|
BD |
BD+54 2348 |
|
Distance |
934.58 |
|
| Distance ly |
3048.6 |
|
